Is a wife entitled to prevent her maid, whose wages she pays, from serving her husband's family, especially if the husband believes it is his right to ask the maid to serve his family on the grounds that she works in his home?

If you are the one who contracted with the maid, then your husband is not entitled to use her services without your consent, nor are you entitled to assign her tasks that are outside the scope of the employment contract, whether explicitly stated or customarily understood. However, this matter should not be a cause of dispute between you. We advise the wife to be kind to her husband's family and to help him honor his parents, as this increases his love for her and adds weight to her scales on the Day of Judgment.